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Gutkovaite-Mn

Big Photo

Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© 2008, J. Weissman

Formula:
K
 
2
CaMn(Ti,Nb)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 5H
 
2
O
System:MonoclinicColour:pale yellowish-pink
Hardness:5
Name:Named after N. N. Gutkova (1896-1960?), Russian mineralogist, who intensively studied the Khibina-Lovozero alkaline complex. She was the first to describe the properties of the Khibiny apatite; discovered primary lovchorrite deposits in the Khibiny massif in 1930; and published the first list of Lovozero species (21) in 1928.


Labuntsovite Group. Gutkovaite Subgroup.

Classification of Gutkovaite-Mn

IMA status:Approved 2002
Strunz 8th edition ID:8/E.07-200
Nickel-Strunz 10th (pending) edition ID:9.CE.30h

9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
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Type Occurrence of Gutkovaite-Mn

Type Locality:Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Place of Conservation of Type Material:Fersman Mineralogical Museum, Moscow, Russia.
Geological Setting of type material:Pegmatite within nepheline syenite.
Associated Minerals at type locality:
NephelineMicroclineLorenzeniteEudialyteArfvedsonite
AnalcimeAlbiteAegirine

Physical Properties of Gutkovaite-Mn

Lustre:Vitreous
Diaphaneity (Transparency):Transparent, Translucent
Colour:pale yellowish-pink
Streak:White
Hardness (Mohs):5
Hardness Data:Measured
Tenacity:Brittle
Cleavage:None Observed
Fracture:Irregular/Uneven
Density (measured):2.83 g/cm3
Density (calculated):2.79 g/cm3

Crystallography of Gutkovaite-Mn

Crystal System:Monoclinic
Cell Parameters:a = 14.3Å, b = 13.889Å, c = 7.76Å
β = 117.51°
Ratio:a:b:c = 1.03 : 1 : 0.559
Unit Cell Volume:V 1,366.97 ų (Calculated from Unit Cell)
Z:2
Morphology:Prismatic crystals to 0.8 mm in length.
Twinning:Microtwinned on (001) and (_401).
X-Ray Powder Diffraction:
d-spacingIntensity
7.0 (70)
6.33 (50)
3.22 (90)
3.05 (100)
2.57 (50)
Comments:57 mm Debye-Scherrer, FeKα radiation.
Format: d/A (I/%) (hkl)

Optical Data of Gutkovaite-Mn

Type:Biaxial (+)
Dispersion:None observed.
Pleochroism:Non-pleochroic

Chemical Properties of Gutkovaite-Mn

Formula:
K
 
2
CaMn(Ti,Nb)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 5H
 
2
O
Essential elements:
All elements listed in formula:Ca, H, K, Mn, Nb, O, Si, Ti

Relationship of Gutkovaite-Mn to other Species

Related Minerals - Nickel-Strunz Grouping):
9.CE.05Papagoite
CaCu[H
 
3
AlSi
 
2
O
 
9
]
9.CE.10Verplanckite
Ba
 
2
(Mn,Fe,Ti)Si
 
2
O
 
6
(O,OH,Cl,F)
 
2
·3H
 
2
O or near
9.CE.15Baotite
Ba
 
4
(Ti,Nb)
 
8
Si
 
4
O
 
28
Cl
9.CE.20Nagashimalite
Ba
 
4
(V,Ti)
 
4
B
 
2
Si
 
8
O
 
27
(O,OH)
 
2
Cl
9.CE.20Taramellite
Ba
 
4
(Fe
3+
 
,Ti,Fe
2+
 
,Mg)
 
4
(B
 
2
Si
 
8
O
 
27
)O
 
2
Cl
 
x
9.CE.20Titantaramellite
Ba
 
4
(Ti,Fe
3+
 
,Fe
2+
 
,Mg)
 
4
(B
 
2
Si
 
8
O
 
27
)O
 
2
Cl
 
x
9.CE.25Bario-orthojoaquinite
(Ba,Sr)
 
4
Fe
 
2
Ti
 
2
Si
 
8
O
 
26
·H
 
2
O
9.CE.25Byelorussite-(Ce)
Ba
 
2
NaCe
 
2
MnTi
 
2
Si
 
8
O
 
26
(F,OH) · H
 
2
O
9.CE.25Joaquinite-(Ce)
Ba
 
2
NaCe
 
2
FeTi
 
2
Si
 
8
O
 
26
(OH,F) · H
 
2
O
9.CE.25Orthojoaquinite-(Ce)
Ba
 
2
NaCe
 
2
FeTi
 
2
Si
 
8
O
 
26
(O,OH) · H
 
2
O
9.CE.25Strontiojoaquinite
Sr
 
2
Ba
 
2
(Na,Fe)
 
2
Ti
 
2
Si
 
8
O
 
24
(O,OH)
 
2
·H
 
2
O
9.CE.25Strontio-orthojoaquinite
Sr
 
2
Ba
 
2
(Na,Fe)
 
2
Ti
 
2
Si
 
8
O
 
24
(O,OH)
 
2
·H
 
2
O
9.CE.25Orthojoaquinite-(La)
Ba
 
2
NaLa
 
2
Fe
2+
 
Ti
 
2
Si
 
8
O
 
26
(O,OH)·H
 
2
O
9.CE.30eLabuntsovite-Mn
Na
 
4
K
 
4
(Ba,K)
 
2
Mn
2+
 
(Ti,Nb)
 
8
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
4
 · 10-12H
 
2
O
9.CE.30aNenadkevichite
(Na,Ca)(Nb,Ti)Si
 
2
O
 
7
·2H
 
2
O
9.CE.30dLemmleinite-K
K
 
2
(Ti,Nb)
 
2
[(OH,O)
 
2
|Si
 
4
O
 
12
] · 4H
 
2
O
9.CE.30aKorobitsynite
Na
 
2
(Ti,Nb)
 
2
[(OH,O)
 
2
|Si
 
4
O
 
12
] · 3-4H
 
2
O
9.CE.30cKuzmenkoite-Mn
K
 
2
Mn
2+
 
(Ti,Nb)
 
4
[(OH,O)
 
2
|Si
 
4
O
 
12
]
 
2
 · 5H
 
2
O
9.CE.30bVuoriyarvite-K
K
 
2
(Nb,Ti)
 
2
[(O,OH)
 
2
|Si
 
4
O
 
12
] · 4H
 
2
O
9.CE.30bTsepinite-Na
Na
 
2
(Ti,Nb)
 
2
[(OH,O)
 
2
|Si
 
4
O
 
12
] · 3H
 
2
O
9.CE.30cKarupmøllerite-Ca
(Na,Ca,K)
 
2
Ca(Nb,Ti)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 7H
 
2
O
9.CE.30eLabuntsovite-Mg
Na
 
4
K
 
4
(Ba,K)
 
2
Mg(Ti,Nb)
 
8
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
4
 · 10H
 
2
O
9.CE.30eLabuntsovite-Fe
Na
 
4
K
 
4
(Ba,K)
 
2
Fe
2+
 
(Ti,Nb)
 
8
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
4
 · 10H
 
2
O
9.CE.30dLemmleinite-Ba
Na
 
2
K
 
2
Ba(Ti,Nb)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 5H
 
2
O
9.CE.30cGjerdingenite-Fe
K
 
2
Fe
2+
 
(Nb,Ti)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 6H
 
2
O
9.CE.30hNeskevaaraite-Fe
K
 
3
Na
 
2
Fe
2+
 
(Ti,Nb)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 5-6 H
 
2
O
9.CE.30bTsepinite-K
K
 
2
(Ti,Nb)
 
2
[(OH,O)
 
2
|Si
 
4
O
 
12
] · 3H
 
2
O
9.CE.30bParatsepinite-Ba
Ba
 
4
(Ti,Nb)
 
8
[(OH,O)
 
2
|Si
 
4
O
 
12
]
 
4
 · 8H
 
2
O
9.CE.30bTsepinite-Ca
Ca(Ti,Nb)
 
2
[(OH,O)
 
2
|Si
 
4
O
 
12
] · 3H
 
2
O
9.CE.30hAlsakharovite-Zn
NaSrKZn(Ti,Nb)
 
4
(Si
 
4
O
 
12
)
 
2
(O,OH)
 
4
 · 7 H
 
2
O
9.CE.30cGjerdingenite-Mn
K
 
2
Mn
2+
 
(Nb,Ti)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 6H
 
2
O
9.CE.30cLepkhenelmite-Zn
(Ba,K)
 
2
Zn(Ti,Nb)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 7H
 
2
O
9.CE.30bTsepinite-Sr
Sr(Ti,Nb)
 
2
[(OH,O)
 
2
|Si
 
4
O
 
12
] · 3H
 
2
O
9.CE.30bParatsepinite-Na
(Na,Sr,K,Ca)
 
7
(Ti,Nb)
 
8
[Si
 
4
O
 
12
]
 
4
(O,OH)
 
8
·nH
 
2
O n ~ 8
9.CE.30fParalabuntsovite-Mg
Na
 
8
K
 
8
Mg
 
8
Ti
 
16
(Si
 
4
O
 
12
)
 
8
(O,OH)
 
16
· n(H
 
2
O)
9.CE.30cGjerdingenite-Ca
K
 
2
Ca(Nb,Ti)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 6H
 
2
O
9.CE.30cGjerdingenite-Na
K
 
2
Na
 
2
(Nb,Ti)
 
4
[(OH,O)
 
2
|Si
 
4
O
 
12
]
 
2
 · 5H
 
2
O
9.CE.30cKuzmenkoite-Zn
K
 
2
Zn(Ti,Nb)
 
4
(Si
 
4
O
 
12
)
 
2
(OH,O)
 
4
·6-8H
 
2
O
9.CE.30gOrganovaite-Mn
K
 
2
Mn(Nb,Ti)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 6H
 
2
O
9.CE.30gOrganovaite-Zn
K
 
2
Zn(Nb,Ti)
 
4
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
2
 · 6H
 
2
O
9.CE.30gParakuzmenkoite-Fe
(K,Ba)
 
4
Fe(Ti,Nb)
 
8
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
4
 · 14H
 
2
O
9.CE.30cIMA2008-001
(K,Na,Sr,Ba)
 
4
Ca
 
2
(Ti,Nb)
 
8
[Si
 
4
O
 
12
]
 
4
(OH,O)
 
8
·12H
 
2
O
9.CE.45Komarovite
(Ca,Mn)Nb
 
2
[O
 
3
|Si
 
2
O
 
7
] · 3.5H
 
2
O
9.CE.45Natrokomarovite
(Na,Ca,H)
 
2
Nb
 
2
Si
 
2
O
 
10
(OH,F)
 
2
·H
 
2
O

Other Names for Gutkovaite-Mn

Synonyms:
IMA2001-038
Russian names:
Гутковаит-Mn

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Gutkovaite-Mn

Reference List:- Pekov, I.V., Chukanov, N.V., Rastsvetaeva, R.K., Zadov, A.E., Kononkova, N.N. (2002): Gutkovaite-Mn, CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5H2O, a new mineral of the labuntsovite group from the Khibiny massif, Kola Peninsula. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva, 131(2), 51-57.

- Chukanov, N,V., Pekov, I.V., Khomyakov, A.P. (2002): Recommended nomenclature for labuntsovite-group minerals. European Journal of Mineralogy, 14, 165-173.

Rozenberg K.A., Rastsvetaeva R.K. (2002), IMA 18th Meeting, Poster Session A12, A12-6.

Rastsvetaeva R.K., Pekov I.V., Nekrasov Yu.V. (2001), Kristallografiya, 46, 415-417 [Crystallogr. Reports, 46, 415-417]

Belokoneva E.L. (2005), Crystallogr. Reports, 50, 13-19.

Jambor, John L., V.A. Kovalenker, & A.C. Roberts (2003), New Mineral Names, American Mineralogist: 88: 931-935.

Kola Science Center of Russian Academy of Sciences - History (http://www.kolasc.net.ru/ksc/history.html).

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    Localities for Gutkovaite-Mn

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		European Journal of Mineralogy: 14: 165-173; Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 131(2): 51-57.
    Mineral and/or Locality
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